HP250 presents precise and rich bass, and excellent vocal sound. These closed-back headphones combine excellent 
sound with an advantageous price/performance ratio, making them the best practical choice for a music lover and 
artist. 
The self-adjusting headband construction, soft artificial leather ear cushions, and low weight ensure a perfect fit. 
Powerful 40 mm (1.6 inch) speakers deliver supremely natural, uncolored sound. When listening to music, you can 
expect 
comfort and sound accuracy from your HP250 headphones.

- Precise and detailed sound significantly enhances your listening experience
- High efficiency and wide dynamic range
- Solid construction allows for twisting and use as a single earphone
- Self-adjusting headband for a good fit and maximum comfort
- Single-sided, straight cable
- Carrying pouch included
- Outstanding quality and value
- Environmentally friendly packaging

Type: Dynamic, closed back
Driver: 40mm, neodymium
Sensitivity: 98dB SPL (1mW) at 1KHz
Frequency response: 20-20,000Hz
Maximum power: 200 mW
Total Harmonic Distortion: <0,25% @1kHz/1V
Cable/connector: 2 meters, mini stereo jack. 6.3mm stereo jack adapter included
Headphone pressure: Approx. 4.5N
Includes: Headphone carrying bag pouch
Net weight: 185g

HP500 presents a deep, rich sound with clarity and balance. Professional monitoring headphones that makes you feel 
like you're on stage with the artists, while also making you feel like you're sitting in the front row. The 
ergonomically designed vinyl ear cushions, combined with the lightweight and self-adjusting headband, make these 
headphones extremely comfortable. Whether you are monitoring, recording, mixing, or just listening to music, you 
can expect comfort and sound accuracy from your HP500 headphones.

- Precise and detailed sound significantly enhances your listening experience
- High efficiency and wide dynamic range
- Solid construction allows for twisting and use as a single earphone
- Self-adjusting headband for a good fit and maximum comfort
- Single-sided, straight cable
- Carrying pouch included
- Outstanding quality and value
- Environmentally friendly packaging

Type: Dynamic, semi-open
Driver: 50mm, neodymium
Sensitivity: 98dB SPL (1mW)
Frequency response: 10-30,000Hz
THD: <0,25
Maximum power: 300 mW
Impedance: 32Ω 
Cable/connector: 2.5 meters, mini stereo jack. 6.3mm stereo jack adapter included
Includes: Headphone carrying bag pouch
Net weight: 276g

High resolution, 4 drivers, sound isolating earphones

- Frequency range: 10 Hz - 40 kHz
- Sensitivity: 108 db/mW
- Impedance: 30 ohms
- Plug: 3.5 mm (1/8") mini jack
- Cable length: 1.2 metre (4')
- Weight: 20 g (0.04 lb)
- Included: EVA foam case, 3 pairs of memory foam buds, 2 pairs of rubber buds

Colour: Transparent

The SPM-435 is built with 4 drivers working in separate frequency ranges to minimize distorsion. The result is a 
pure balanced sound which covers the whole spectrum of human hearing. 2 dynamic drivers are used for bass and 
low-medium frequencies for a rich bass reproduction. The balanced armature drivers provide precise high and 
smooth hi-mid frequencies.

SUPERLUX HD665 CLOSED

Professional Studio Headphones
With HD665’s well-defined bass reproduction and clear mid-high sound profile, these professional 
studio monitoring headphones are perfect for drummers and bass players. They provide great isolation 
and drastically reduce levels of external sound reaching a musician’s ears, offering valuable protection 
from potential damage. Self-adjusting headband and foam cushions ensure great fit and maximum comfort. 
HD665 is great for recording and live situations or playing along with recorded music.

General Features
- Well-defined bass reproduction and high resolution character.
- Large, high-performance 40 mm (1.6") drivers provide high sound pressure level and convincing sound.
- Advanced closed-back design ensures high noise reduction.
- Auto-adjustable headband and circumaural design for comfort during long work sessions.

Specifications
Type:				Dynamic closed-back 
Driver				Ø40mm, neodymium
Sensitivity			102 dB SPL(1 mW)
Frequency Response		10~20,000 Hz
Max. Input Power		200 mW
Rated Impedance			68 O(Copper-coated aluminum wire)
Ear Pads			Leatherette
Cables				3-meter straight ,single-sided;plugin cable on 
				headphones (mini stereo connector)
Connector			Gold plated stereo mini plug plus 3.5-6.3 adapter
Net Weight			400g

Accessories
3-meter(9.8')straight cable
Soft carrying pouch
3.5mm to 6.3mm(1/8" to 1/4")gold-plated stereo adapter	
Cable clip

SUPERLUX HD665